Big Tent K Retreat 2025: Cultivating Community
With Jayne Gumpel, LCSW, Samantha Lau, MSN, FNP, PMHNP-BC, Melanie Kawashima Velez DNP, PMHNP, RN, Carl Spitzer, MD, Eva Altobelli, MD, Rohini Kanniganti, MD, MSPH, HMDC, Amanda Itzkoff, MD, David Dansky, MD and Peter Corbett, LICSW
September 25 - 28, 2025
- 3 – 6 pm Arrival and Check-in
- 6 – 7 pm Dinner
- 7:30 – 9 pm Welcome Program
- 7 – 8 am Morning Movement
- 8-9 AM – Breakfast
- 9:30-noon – Morning Program
- 12:30-1:30 PM – Lunch
- 2-5:30 PM – Afternoon Program
- 6-7 PM – Dinner
- 7:30-9:00 PM – Dance Party
- 7-8 AM – Morning Movement
- 8-9 AM – Breakfast (skipped for those participating in group experiential)
- 9 AM-12:30 PM – Group experiential
- 12:30-1:30 PM – Lunch
- 2-5:30 PM – Afternoon Integration Program
- 6-7 PM – Dinner
- 7:30-9:00 PM – Bonfire Gathering
- 7 – 9 am Check-out of Rooms
- 7-8 AM – Morning Movement
- 8-9 AM – Breakfast
- 9:30-noon – Morning Program
- 12:30-1:30 PM – Lunch and Closing Ceremony
*Please note that the schedule is subject to change.Â
About the Leaders

Jayne Gumpel, LCSW
Jayne Gumpel, LCSW (she/her/hers) is a psychotherapist, trainer, and teacher with 30 years of experience working with couples, individuals, and groups in New York City and Woodstock, NY. Jayne is a professional clinical trainer in Psychedelic Integration Psychotherapy, is a member of the Woodstock Therapy Center’s Ketamine-Assisted Psychotherapy (KAP) team, and has completed MDMA-assisted psychotherapy […]
Learn more about Jayne Gumpel, LCSWSamantha Lau, MSN, FNP, PMHNP-BC
Samantha Lau, MSN, FNP, PMHNP-BC, discovered her passion for healthcare at a young age while observing her grandfather’s veterinary work, later deepening that calling as she witnessed the compassionate care nurses provided to her ailing father. Now a psychiatric nurse practitioner and founder of ElevateHer, Sam empowers women to embrace their emotions, heal from trauma, […]
Learn more about Samantha Lau, MSN, FNP, PMHNP-BCMelanie Kawashima Velez DNP, PMHNP, RN
Melanie Kawashima Velez DNP, PMHNP, RNÂ is a musician, nurse, and festival harm reduction volunteer who offers ketamine therapy in nature and legal psilocybin facilitation in Oregon. She collaborates with traditional wisdom keepers to weave modern facilitation practices in authentic, right relationship and also teaches at CIIS CPTR.
Learn more about Melanie Kawashima Velez DNP, PMHNP, RNCarl Spitzer, MD
Carl Spitzer, MDÂ is the founder of Big Tent Ketamine. He practiced emergency medicine for 34 years and segued into ketamine and psychedelic therapy in 2018. He and his wife Tia Mallette, RN together run Innate Ketamine Therapy in San Rafael, CA.
Learn more about Carl Spitzer, MDEva Altobelli, MD
Eva Altobelli, MD, an addiction psychiatrist with decades of experience, specializes in holistic healing by integrating recovery, psychiatry, and creative wellness. She founded Home-LA, a Los Angeles-based wellness center offering psychiatry, psychotherapy, and ketamine-assisted therapy.
Learn more about Eva Altobelli, MDRohini Kanniganti, MD, MSPH, HMDC
Rohini Kanniganti, MD, MSPH, HMDC is a board certified family physician who serves in Hospice and Palliative care as well as in Integrative Psychiatry. She is a teacher and practitioner in the Ketamine Assisted Therapy space.
Learn more about Rohini Kanniganti, MD, MSPH, HMDCAmanda Itzkoff, MD
Amanda Itzkoff, MD is an assistant professor of Psychiatry at the Icahn School of Medicine at Mount Sinai hospital, and a pioneer in the use of ketamine and psychedelic-assisted therapies. She has been treating patients with ketamine for psychiatric illness in her private practice since 2014, and was one of the first psychiatrists in the […]
Learn more about Amanda Itzkoff, MDDavid Dansky, MD
David Dansky, MD trained in both Internal and Emergency Medicine. He has practiced primarily Emergency Medicine for the last 40 years, in both the San Francisco Bay Area (UCSF) and on the Monterey Peninsula in California. His focus is to employ both conventional and integrative medical techniques and therapies in the hopes of bettering the […]
Learn more about David Dansky, MDPeter Corbett, LICSW
Peter Corbett, LICSW had been a psychotherapist for over 25 years, before starting a KAP clinic, The Center for Healing Journeys, in Northampton, MA, in 2020. He is on the teaching faculty for the Ketamine Training Center, and is co-Director of Ketamine Psychotherapy Associates. He has been in the managing group of Big Tent Ketamine […]
Learn more about Peter Corbett, LICSWCategories : Accommodations Only, Other Retreats at Menla